修改

src/components/global/Nav.vue

@@ -23,13 +23,13 @@
           <el-menu-item-group class="itemgroup">
             <el-menu-item index="2-1-1" @click="goUrl('HotelList')"><span>酒店列表</span></el-menu-item>  
           </el-menu-item-group>
-          <el-menu-item-group class="itemgroup">
-            <el-menu-item index="2-2-2"  @click="goUrl('RoomList')"><span>房型列表</span></el-menu-item>  
-          </el-menu-item-group>
-          <el-menu-item-group class="itemgroup">
-            <el-menu-item index="2-2-3"  @click="goUrl('HotelOrder')"><span>酒店订单</span></el-menu-item>  
-          </el-menu-item-group>
         </el-submenu>
+        <el-menu-item>
+          <div @click="goUrl('HotelOrder')" class="menuDiv">
+            <i class="iconfont icon-shouye"></i>
+            <span slot="title">酒店订单</span>
+          </div>
+        </el-menu-item>
 
         <!-- <el-submenu :index="String(index+1)" v-for="(item,index) in menuList" :key="index">
           <template slot="title">